This paper presents a load frequency control in four area power systems using fuzzy gain scheduling of PI controller is realized. The system simulation is realized by using Matlab/Simulink software. System dynamic performance is observed... more
This paper presents a load frequency control in four area power systems using fuzzy gain scheduling of PI controller is realized. The system simulation is realized by using Matlab/Simulink software. System dynamic performance is observed for conventional PI, fuzzy PI and fuzzy logic controllers.
In the proposed work, AGC of three area power plant(all thermal) implemented using PI controller and Fuzzy Logic Controller. Even when load fluctuates in one area, it affects the frequency in all the remaining areas as well. Model is... more
In the proposed work, AGC of three area power plant(all thermal) implemented using PI controller and Fuzzy Logic Controller. Even when load fluctuates in one area, it affects the frequency in all the remaining areas as well. Model is developed by MATLAB/SIMULINK software and further the results derived from both the controllers are studied and compared. Results so obtained clearly imply that performance of FLC is much improved as compared to PI controller.
Abstract. In multi area electric power systems if a large load is suddenly connected (or disconnected) to the system, or if a generating unit is suddenly disconnected by the protection equipment, there will be a long-term distortion in... more
Abstract. In multi area electric power systems if a large load is suddenly connected (or disconnected) to the system, or if a generating unit is suddenly disconnected by the protection equipment, there will be a long-term distortion in the power balance between that delivered by the turbines and that consumed by the loads. This imbalance is initially covered from the kinetic energy of rotating rotors of turbines, generators and motors and, as a result, the frequency in the system will change. Therefore The Load Frequency Control (LFC) problem is one of the most important subjects in the electric power system operation and control. In practical systems, the conventional PI type controllers are carried out for LFC. In order to overcome the drawbacks of the conventional PI controllers, numerous techniques have been proposed in literatures. In this paper a IP type controller is considered for LFC problem. The parameters of the proposed IP controller are tuned using Tabu Search (TS) method. A multi area electric power system with a wide range of parametric uncertainties is given to illustrate proposed method. To show effectiveness of the proposed method, a PI type controller optimized by TS is incorporated in order to comparison with the proposed IP controller. The simulation results on a multi area electric power system emphasis on the viability and feasibility of the proposed method in LFC problem. Streszczenie. Nagłe dołaczenie lub odłączenie znacznych obciążeń powoduje zakłócenia wyrażające się zmianą częstotliwości. Tradycyjne regulatory PI w systemach LFC (Load Frequency Control) nie zawsze sobie dają radę. W artykule przedstawiono wykorzystanie metody Tabu Seach do tego celu. Metodę zilustrowano na, przykładzie wielopowierzchniowej sieci rozdzielczej z dużą liczba parametrycznych niepewności. (System kontroli zmian częstotliwości pod wpływem zmian obciążenia bazujący na metodzie Tabu Search)
